Leeuwenhoek Observes Microbes

Delft, Netherlands

1676-leeuwenhoek-observes-microbes.pngUsing hand-built single-lens microscopes, Anton van Leeuwenhoek became the first person to observe living microbes (found in the plaque on his teeth and tongue). This discovery of bacteria is considered the genesis of microbiology.

World Population : 170,060,000

Avg. number of children per womanFertility Rate (1950 - 2050)6.0 and higher4.0 - 5.92.0 - 3.90 - 1.9No DataMetric tons of CO2 Emissions (millions)Fossil Fuel CO2 Emissions (1751 - 2017)1,401 and higher1,201 - 1,4001,001 - 1,200801 - 1,000601 - 800401 - 600201 - 4001 - 2000No DataPercent of total population in urban areasUrbanization (1950 - 2050)70 - 100%30 - 69%0 - 29%No DataAvg. number of years of lifeLife Expectancy (1950 - 2050)80 and higher60 - 7940 - 59Under 40No DataHuman altered lands by typeHuman Land Use (1700 - 2015)Dense SettlementsVillagesRangelandsSeminatural LandsWildlandsCroplands
Key:   1,000,000 People    1,000,000 People (Annotated)     Milestone
ANIMATE MAP & TIMELINE  
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